Non-Contact Voltage Tester

 Tests for voltage from 80V to 1000V AC.

 - At low gear (L), if the voltage is more than 220 Vac, the red LED glows and the buzzer beeps. At high gear (H) if the voltage is more than 80 Vac, the red LED glows and the buzzer beeps.

 - Power off with knob.

 - Over voltage category: CAT III.

 - Power supply: battery "AAA" x 2